Home / 50,802.60-76,211.04-21,213.72

Finding the Fourth Proportional to 50,802.60, 76,211.04 and 21,213.72

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Solution

The fourth proportional to 50,802.60, 76,211.04 and 21,213.72 is: 31,823.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,802.60 : 76,211.04 = 21,213.72 : x
  2. Step 2: Convert to fraction form
    50,802.60/76,211.04 = 21,213.72/x
  3. Step 3: Cross multiply
    50,802.60x = 76,211.04 × 21,213.72
  4. Step 4: Simplify right side
    50,802.60x = 1,616,719,663.47
  5. Step 5: Solve for x
    x = 1,616,719,663.47/50,802.60
  6. Step 6: Final answer
    x = 31,823.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.